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scsi_id: use _cleanup_free_ on buffer allocated by get_file_options

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This simplifies the code a bit and hopefully fixes Coverity finding
CID 1382966. There was not actually a resource leak here (Coverity
seemed to be confused by thinking log_oom() could actually return 0),
but the fix doesn't hurt and should make this code more resilient to
future refactorings.

Tested: builds fine, manually called scsi_id, seems to work ok.
This commit is contained in:
Filipe Brandenburger 2018-06-07 14:32:07 -07:00 committed by Zbigniew Jędrzejewski-Szmek
parent 6cdf635de0
commit 3ad9705824
1 changed files with 2 additions and 3 deletions
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5
src/udev/scsi_id/scsi_id.c
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@ -164,7 +164,7 @@ static int get_file_options(struct udev *udev,
const char *vendor, const char *model,
int *argc, char ***newargv)
{
char *buffer;
_cleanup_free_ char *buffer = NULL;
_cleanup_fclose_ FILE *f;
char *buf;
char *str1;
@ -295,14 +295,13 @@ static int get_file_options(struct udev *udev,
(*newargv)[c] = buffer;
for (c = 1; c < *argc; c++)
(*newargv)[c] = strsep(&buffer, " \t");
buffer = NULL;
}
} else {
/* No matches */
retval = 1;
}
}
if (retval != 0)
free(buffer);
return retval;
}